发明人刘建华,冯建国,周伟. "Method for the Synthesis of ((7R,9AS)-octahydro-2H-pyrido[1,2-a]pyrazin-7-yl)methanol" [P]. 中国发明专利, 专利号 CN 108293188 B, 授权公告日 2024-10-05.
发明人刘建华,张德明,罗永刚. "A Process for Preparing High-Purity ((7R,9AS)-octahydro-2H-pyrido[1,2-a]pyrazin-7-yl)methanol" [P]. 中国发明专利, 专利号 CN 114637828 A, 授权公告日 2017-04-05.
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